Subaru Corporation Genuine Parts (501/501)

Roger Clark Motorsport (111/111)

Manley Performance (26/26)

Mishimoto™ - Aluminum Radiator, Performance Radiator, Intercooler Specialist (23/23)

ARP - Automotive Racing Products (20/20)

4turbo - inspired by competition (2/2)

ACL - Performance Engine Bearings (18/18)

Aeroflow Performance (1/1)

Aeromotive, Inc – Serious Fuel Systems (1/1)

A'PEXi - Find your driving fun (1/1)

ATI Performance Products, Inc (1/1)

Beru (1/1)

Blitz Co., Ltd. (1/1)

Borg Warner (1/1)

Clevite Bearings (2/2)

Cobb Tuning (1/1)

Cometic Gasket. Inc. (4/4)

Company23 (1/1)

Continental Contitech (2/2)

Cosworth (16/16)

CUSCO® Progressive Equipment (1/1)

Darton Sleeves (3/3)

Davies Craig - World's best auto cooling (3/3)

DeatschWerks, LLC (6/6)

DEI - Design Engineering, Inc.: Heat & Sound Insulation Products (14/14)

Garrett - Turbo By Garrett (3/3)

HKS Co., Ltd. Performance Automotive Products (8/8)

IAG Performance (7/7)

IHI (3/3)

Injector Dynamics (4/4)

Invidia - Exhaust, Manifolds, Race Catalysts (5/5)

JCP Performance (1/1)

K1 (1/1)

King Racing High Performance Bearings (5/5)

MG Motorsport (1/1)

Mitsubishi Turbocharger (2/2)

Mitsuboshi (3/3)

NGK Spark Plug (4/4)

Outfront Motorsports Inc. (1/1)

Perrin Performance (1/1)

Samco Sport (17/17)

STI - Subaru Tecnica International (6/6)

TiAL Sport (4/4)

Turbosmart - Manufacturer of turbo performance products (6/6)

Walbro (2/2)

Wiseco Manufactures High Performance Forged Pistons (2/2)

Xtreme Performance Clutch (1/1)